Home / Milling / Mill Tooling / Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway View cart “Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI” has been added to your cart. Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway$95.00 1 in stock Add to cart Category: Mill Tooling Description Description 50 NMTB 1-1/2″ x 4-1/2″Long Arbor, 5/16″ Key, 23/32″ Stem, OAL 11-1/4, Made In Poland, 11 Pounds Related products Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart Collet Chuck, 30 NMTB, Collets TG-100 Erickson $199.00 Add to cart Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart Aluminum T-Slot Bolster Plate Table 9″ x 28″ x 1-1/2″ Thick, 7/16″ Slot $125.00 Add to cart